diff --git a/block/io.c b/block/io.c
index a32fd1d9e5..80d6c62a85 100644
--- a/block/io.c
+++ b/block/io.c
@@ -2300,7 +2300,7 @@ int coroutine_fn bdrv_co_flush(BlockDriverState *bs)
 
     bdrv_inc_in_flight(bs);
 
-    if (!bs || !bdrv_is_inserted(bs) || bdrv_is_read_only(bs) ||
+    if (!bdrv_is_inserted(bs) || bdrv_is_read_only(bs) ||
         bdrv_is_sg(bs)) {
         goto early_exit;
     }